Results 91 to 100 of about 197,000 (305)
Advanced Functional Materials, EarlyView.A monolayer graphene/phosphoric‐acid mixed proton‐electron conducting membrane combines proton‐conducting nanoconfined acid channels with electron‐conducting graphene nanosheets for efficient high‐temperature hydrogen purification. The membrane achieves nearly 100% H2/CO2 selectivity and 69 GPU hydrogen permeance at 250°C, arising from synergistic ...
Kaiqiang He +8 more
wiley +1 more source
Research on modeling and simulation of arc characteristics with very large length–diameter ratio
AIP AdvancesThe vacuum circuit breaker has become a research hotspot in the field of high voltage electrical appliances because of its advantages of no pollution and long life. At the moment of arc breaking, the distribution of current density is not uniform.
Lihua Zhao +6 more
doaj +1 more source
Advanced Functional Materials, EarlyView.A sulfonated poly(ether ether ketone)‐based hybrid membrane is fabricated with fluorine‐doped carbon dot (FCD) and functionalized metal organic framework (MIL−101−NH2). The novel design reduces unwanted ion crossover while maintaining a sufficient proton transport pathway.
Tan Trung Kien Huynh +8 more
wiley +1 more source
Structure, Substructure, Hardness and Adhesion Strength of Multiperiod Composite Coatings MoN / CrN [PDF]
Журнал нано- та електронної фізики, 2015 A comprehensive study of the influence of the thickness of the layers, Us and PN on the structural engineering to obtain high mechanical properties in multilayer composite MoN / CrN vacuum-arc coatings has been conducted by means of scanning electron ...
S.S. Grankin +10 more
doaj
Advanced Functional Materials, EarlyView.Inspired by natural silicified wood, a biomimetic mineralized chitin‐derived aerogel is constructed. It can withstand 81 000 times its own weight, and its backside temperature is 130.4°C after exposure to ∼1300°C butane flame for 600 s, exhibiting high‐strength, fire‐resistance, and super thermal‐insulation properties.
Kai Xu +11 more
wiley +1 more source
Experimental and numerical investigations of arc plasma expansion in an industrial vacuum arc remelting (VAR) process. [PDF]
Sci Rep, 2022 Karimi-Sibaki E +7 more
europepmc +1 more source
Rolling-element fatigue life of AMS 5749 corrosion resistant, high temperature bearing steel [PDF]
The rolling element fatigue lives of AMS 5749 and AISI M-50 were compared in tests run in the five ball fatigue tester and the rolling contact fatigue tester.
Hodder, R. S., Parker, R. J.
core +1 more source
Vacuum arc remelting time dependent modelling [PDF]
, 2008 Vacuum arc remelting (VAR) aims at production of high quality, segregation-free alloys. The quality of the produced ingots depends on the operating conditions which could be monitored and analyzed using numerical modelling.
Bojarevics, Valdis +2 more
core
Improvement of structure and quality of nanoscale multilayered composite coatings, deposited by filtered cathodic vacuum arc deposition method [PDF]
This article studies the specific features of cathode vacuum arc deposition of coatings used in the production of cutting tools. The detailed analysis of the major drawbacks of arc-Physical Vapour Deposition (PVD) methods has contributed to the ...
Aksenenko, AY +5 more
core +1 more source
Fluid Forces Control Structural Remodeling of Blind‐Ended Lymphatic Microvessels
Advanced Healthcare Materials, EarlyView.Using innovative microfluidic biofabrication with fluid mechanical insights, we recapitulated the blind‐ended microanatomy and physiological drainage properties of capillary lymphatics. Our results reveal the interrelationship between intra‐ and extraluminal regions of lymphatic vessels due to flow‐induced sprouting and morphological changes that ...
Jacob C. Holter +5 more
wiley +1 more source